Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist, this FoldingGuide offers instant access to just what backyard birdwatchers need to know. 48 bird species are covered, including multiple illustrations, descriptive captions, size, range, and seasonal presence. Shorebirds, gulls, terns, wading birds, seabirds, ducks, puffins, and more.